`workingknowledge-csp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1fc7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b3a8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.199^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.168^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`oaklyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:265a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oaklyn.ns.cloudflare.com`
		A	108.162.194.90^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	162.159.38.90^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	172.64.34.90^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
MX	`workingknowledgecsp-com04b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`MS=ms89158231`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.31.199, 172.67.179.168
		IPv6	2606:4700:3033::6815:1fc7, 2606:4700:3034::ac43:b3a8
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2398706758

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774518757

Same first word

workingknowledge-csp.com

DNS History

10 records (7 active, 3 former)

●NSgreg.ns.cloudflare.com2026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

○NSns63.domaincontrol.com2015-08-23 → 2020-03-16 · 4 obs

● 2015-08-23 07:00:04
● 2020-03-16 01:42:38
○ 2026-03-12 23:34:18
○ 2026-03-26 09:54:38

○NSns64.domaincontrol.com2015-08-23 → 2020-03-16 · 4 obs

● 2015-08-23 07:00:04
● 2020-03-16 01:42:38
○ 2026-03-12 23:34:18
○ 2026-03-26 09:54:38

●NSoaklyn.ns.cloudflare.com2026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

●MXworkingknowledgecsp-com04b.mail.protection.outlook.com2015-08-23 → 2026-03-26 · 2 obs

● 2015-08-23 07:00:04
● 2026-03-26 09:54:38

●A104.21.31.1992026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

●A172.67.179.1682026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

●A2606:4700:3033::6815:1fc72026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

●A2606:4700:3034::ac43:b3a82026-03-12 → 2026-03-26 · 3 obs

○ 2020-03-16 01:42:38
● 2026-03-12 23:34:18
● 2026-03-26 09:54:38

○A66.226.77.472015-08-23 → 2020-03-16 · 4 obs

● 2015-08-23 07:00:04
● 2020-03-16 01:42:38
○ 2026-03-12 23:34:18
○ 2026-03-26 09:54:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
workingknowledge-csp.com	greg.ns.cloudflare.com, oaklyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.115

NS records: greg.ns.cloudflare.com, oaklyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workingknowledge-csp.com (unsigned zone)

⏱️ Timing

Total: 99ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.168, 104.21.31.199`
AAAA	2	`2606:4700:3033::6815:1fc7, 2606:4700:3034::ac43:b3a8`
NS	2	`greg.ns.cloudflare.com, oaklyn.ns.cloudflare.com`
MX	1	`workingknowledgecsp-com04b.mail.protecti`
TXT	2	`MS=ms89158231, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (greg.ns.cloudflare.com, greg.ns.cloudflare.com, greg.ns.cloudflare.com...)

Analysis

IP Addresses

workingknowledge-csp.com resolves to four IPs: 2606:4700:3033::6815:1fc7, 2606:4700:3034::ac43:b3a8, 104.21.31.199 and 172.67.179.168.

Other host names such as awayge.blog, sentraglobalpartnersltd.click, driver.me, rejumperix.com and jnshebat.com share IP numbers with workingknowledge-csp.com.

Name Servers

workingknowledge-csp.com is delegated to two name servers: greg.ns.cloudflare.com and oaklyn.ns.cloudflare.com.

workingknowledge-csp.com uses the same name server setup as other domains, including endourologist.ru, heisworthit.com, mikuladds.com, wrenchware.com and otcollege.net.

At least part of the name servers for workingknowledge-csp.com are shared with other domains, for instance eazyinvite.com, houttuin.com, tvradio.biz, sansaihospital.go.th and vbwx.net.

Host names with six IP numbers:

greg.ns.cloudflare.com points to: 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115.

oaklyn.ns.cloudflare.com points to: 2606:4700:50::a29f:265a, 2803:f800:50::6ca2:c25a, 2a06:98c1:50::ac40:225a, 108.162.194.90, 162.159.38.90 and 172.64.34.90.

Mail Servers

The mail server for workingknowledge-csp.com is workingknowledgecsp-com04b.mail.protection.outlook.com.

workingknowledgecsp-com04b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:f802::2, 2a01:111:f403:f90a::, 2a01:111:f403:f90f::, 40.93.192.4, 52.101.40.0, 52.101.41.24 and 52.101.42.14.

workingknowledge-csp.com - robtex.com